1 files changed, 43 insertions, 0 deletions
diff --git a/2792/CH11/EX11.11/Ex11_11.sce b/2792/CH11/EX11.11/Ex11_11.sce
new file mode 100755
index 000000000..05b74da91
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+clc
+A= 10^-2
+disp("A= "+string(A)+"cm^2") //initializing value of diode area
+Na=5*10^16
+disp("Na = "+string(Na)+"cm^-3") //initializing value of p side doping
+Nd=5*10^17
+disp("Nd = "+string(Nd)+"cm^-3") //initializing value of n side doping
+Dn = 30
+disp("Dn= "+string(Dn)+"cm^2/s")//initializing value of electron diffusion coefficient
+Dp = 15
+disp("Dp= "+string(Dp)+"cm^2/s")//initializing value of hole diffusion coefficient
+Tn = 10^-8
+disp("Tn= "+string(Tn)+"s")//inializing value of electron minority carrier lifetime
+Tp = 10^-7
+disp("Tp= "+string(Tp)+"s")//inializing value of hole minority carrier lifetime
+e = 1.6*10^-19
+disp("e= "+string(e)+"C")//initializing value of charge of electron
+ni = 1.84*10^6
+disp("ni = "+string(ni)+"cm^-3") //initializing value of intrinsic carrier concentration in GaAs
+kbT = 0.026
+disp("kbT = "+string(kbT)+"V/K") //initializing value of kbT at 300K
+V = 1
+disp("V = "+string(V)+"V") //initializing value of forward bias potential
+nQr=.5
+disp("nQr = "+string(nQr)) //initializing value of radiative recombination efficiency
+Eph = 1.41
+disp("Eph= "+string(Eph)+"eV")//initializing value of Energy of each photon
+np = ni^2/Na
+disp(" np = ni^2/Na= "+string(np)+"cm^-3")//calculation
+pn = ni^2/Nd
+disp(" pn = ni^2/Nd= "+string(pn)+"cm^-3")//calculation
+Ln = sqrt(Dn*Tn)
+disp("The electron diffusion length is ,Ln = sqrt(Dn*Tn)= "+string(Ln)+"cm")//calculation
+Lp = sqrt(Dp*Tp)
+disp("The hole diffusion length is ,Lp = sqrt(Dp*Tp)= "+string(Lp)+"cm")//calculation
+In = ((A*e*Dn*np)/Ln)*(exp(V/kbT)-1)
+disp("The injected current is ,In = ((A*e*Dn*np)/Ln)*(exp(V/kbT)-1)= "+string(In)+"A")//calculation
+Iph = (In*nQr)/e
+disp("The photon generated per second is ,Iph = (In*nQr)/e= "+string(Iph)+"s^-1")//calculation
+P = Iph*e*Eph
+disp("The optical power is ,P = Iph*e*Eph= "+string(P)+"W")//calculation
+ 
+